Quick Answer: The Alpha Transistor Investigations Kit lets one student or lab group explore the behaviour of an NPN transistor on an oversize Alpha board, using plug-in panels of resistors, capacitors, a thermistor, LED and LDR.
Last updated: October 2026
Key Features
NPN transistor on an oversize Alpha board, emitter connected to zero volts
Component panels plug into sockets on the transistor board
Extra sockets for meters to monitor base and collector current
Alpha links attach external components and sensors to base and collector
Student and teacher notes, plus a manual on CD
Requires a regulated d.c. power supply
About This Product
Example circuits include a potential divider, a thermistor in a potential divider, the transistor as a switch, a light controlled switch, a capacitor for time delay and a time delay switch. Used with other Alpha boards, the transistor board can also form a simple oscillator that produces audible tones through a small loudspeaker. All items are stored in a tray with lid.
Frequently Asked Questions
Q1. What power supply does the kit need? The kit requires a regulated d.c. power supply to operate.
Q2. What does the kit contain? Component investigations board, component holder panel, solder panel, NPN transistor investigations board, 5k and 22k variable resistor panels, potential divider, 4.7k potentiometer panel, 100 ohm, 1k and 10k resistor panels, thermistor, switch, LED and LDR panels, 1000uF, 220uF and 220nF capacitor panels, manual on CD and 3 yellow Alphalinks.
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